/**
 * 生成id
 * @returns {string}
 */
export function uuid() {
    let s = [];
    let hexDigits = "0123456789abcdef";

    for (let i = 0; i < 36; i++) {
        s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
    }
    s[14] = "4";
    // eslint-disable-next-line no-bitwise
    s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
    s[8] = s[13] = s[18] = s[23] = "-";

    return s.join("");
}